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Finding the Fourth Proportional to 177,512.80, 265,831.80 and 118,026.40

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Solution

The fourth proportional to 177,512.80, 265,831.80 and 118,026.40 is: 176,748.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,512.80 : 265,831.80 = 118,026.40 : x
  2. Step 2: Convert to fraction form
    177,512.80/265,831.80 = 118,026.40/x
  3. Step 3: Cross multiply
    177,512.80x = 265,831.80 × 118,026.40
  4. Step 4: Simplify right side
    177,512.80x = 31,375,170,359.52
  5. Step 5: Solve for x
    x = 31,375,170,359.52/177,512.80
  6. Step 6: Final answer
    x = 176,748.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.